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Last updated: 20 April 2021
Statuts:Enquête Officielle
Date:mardi 18 octobre 1983
Heure:21:07
Type/Sous-type:Silhouette image of generic B742 model; specific model in this crash may look slightly different
Boeing 747-230F
Compagnie:Lufthansa
Immatriculation: D-ABYU
Numéro de série: 22668/538
Année de Fabrication: 1981-08-13 (2 years 2 months)
Heures de vol:10223
Cycles:1659
Moteurs: 4 General Electric CF6-50E2
Equipage:victimes: 0 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 3
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Hong Kong-Kai Tak International Airport (HKG) (   Hong-Kong)
Phase de vol: Au décollage (TOF)
Nature:Cargo
Aéroport de départ:Hong Kong-Kai Tak International Airport (HKG/VHHH), Hong-Kong
Aéroport de destination:Dubai Airport (DXB/OMDB), Emirats Arabes Unis
Détails:
A Boeing 747-230F cargo jet sustained substantial damage in a runway excursion accident at Hong Kong-Kai Tak International Airport (HKG). None of the three crew members was injured.
The airplane operated flight LH683 from Hong Kong (HKG) to Frankfurt (FRA), Germany via Dubai (DXB). During the night takeoff from Hong Kong a malfunction of the No. 2 engine occurred, and the takeoff was subsequently rejected from a high speed. In the later stages of the deceleration the aircraft veered off the paved surface of the runway onto soft ground.
The calculated V1 for the takeoff was 157 knots, and VR 168 knots. The call to reject takeoff was made at a speed between 156 and 167 knots IAS.

Probable Cause:

CAUSE: "The accident was caused by the take-off being rejected at high speed, probably in excess of V1, at a point where the remaining runway length was insufficient to ensure a safe stop. A number of factors contributed to the aircraft having used more runway distance to reach the reject point than that scheduled in the Airplane Flight Manual, thus diminishing the available braking distance. An attempt to remedy the problem experienced with the Number 2 engine was responsible for the take off not being abandoned at an earlier stage. The reason for the aircraft leaving the runway paved surface has not been determined."

Accident investigation:
cover
Investigating agency: CAD Hong Kong
Status: Investigation completed
Duration: 3 years and 5 months
Accident number: AAR 1-87
Download report: Final report


Opérations de secours

CAD Hong Kong issued 5 Safety Recommendations

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Photos

photo of Boeing-747-230F-D-ABYU
accident date: 18-10-1983
type: Boeing 747-230F
registration: D-ABYU
 

Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Hong Kong-Kai Tak International Airport et Dubai Airport est de 5911 km (3694 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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